4. Electric heating
  5. Metal heating
  6. Nonatmospheric environment at hot spot

Roman F. Arnoldy

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Deep coat faced plate and method

Electric heating – Metal heating – For deposition welding
Patent

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Feeder equalizer and homogenizer

Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent

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Feeder for welds

Electric heating – Metal heating – Nonatmospheric environment at hot spot
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Hardfaced drilling tool joints

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

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Magnetic feeding of powder in submerged arc welding

Electric heating – Metal heating – Nonatmospheric environment at hot spot
Patent

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Profile ID: LFUS-PAI-P-978151

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